Owned by Henk Van Der Wal.
At this instance we will deal with machines number 1 and 2, using number 1 engine.
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Dimensions
45mm Bore, 50mm Stroke. It is of the high pressure variable
expansion variety, developing 8HP, with popet valves and a
180º crank shaft. The inlet opening valve from 0-75%.
The machine will go practically anywhere on a 13% cut off.
The engine
has cast iron pistons, Babbit metal big end and bronze main
bearings. Variable lift sliding camshaft operated from top
of tank. |
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initial opening of the engine for re-conditioning can be seen
below. |
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PS.
The oil has been sent back to Morris Oils for recycling!
After
stripping and giving the project our diligent perusal and
a complete wash and brush up here is the engine parts below: |
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There
are only two timing wheels therefore the engine is almost
identical with the ordinary motorcycle power unit.
The only
adjustments made where re-fitting of the big end bearings
and replacement of valve springs, all other components are
absolutely as constructed by Mr Field in 1908
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| Shown
below are some of the patterns made by Mr Field for production
of engine Number 1. |
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To
the left is original wooden pattern for top crank case half
engine number 1. and below is complete one-piece cylinder
block inlet, exhaust ports and valve stem guides cast with
permanent cylinder head, all designed to be machined from
one casting.
The
original name plate
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